Base | Representation |
---|---|
bin | 11000011101010101… |
… | …10011000010011100 |
3 | 1020220010022000102212 |
4 | 30032222303002130 |
5 | 203343014031022 |
6 | 10010550535552 |
7 | 643253450462 |
oct | 141652630234 |
9 | 36803260385 |
10 | 13131002012 |
11 | 5629121187 |
12 | 26656675b8 |
13 | 131357b59b |
14 | 8c7d0a832 |
15 | 51cbcc3e2 |
hex | 30eab309c |
13131002012 has 6 divisors (see below), whose sum is σ = 22979253528. Its totient is φ = 6565501004.
The previous prime is 13131001997. The next prime is 13131002023. The reversal of 13131002012 is 21020013131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641375248 + ... + 1641375255.
It is an arithmetic number, because the mean of its divisors is an integer number (3829875588).
Almost surely, 213131002012 is an apocalyptic number.
It is an amenable number.
13131002012 is a deficient number, since it is larger than the sum of its proper divisors (9848251516).
13131002012 is a wasteful number, since it uses less digits than its factorization.
13131002012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3282750507 (or 3282750505 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 13131002012 its reverse (21020013131), we get a palindrome (34151015143).
The spelling of 13131002012 in words is "thirteen billion, one hundred thirty-one million, two thousand, twelve".
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